<template>
    <div class="antv-chart-mini">
        <div class="chart-wrapper" :style="{ height: 46 }">
            <v-chart :force-fit="true" :height="height" :data="data" :scale="scale" :padding="[36, 0, 18, 0]">
                <v-tooltip/>
                <v-smooth-area position="x*y"/>
            </v-chart>
        </div>
    </div>
</template>

<script>
import moment from 'dayjs'

const sourceData = []
const beginDay = new Date().getTime()

for (let i = 0; i < 10; i++) {
  sourceData.push({
    x: moment(new Date(beginDay + 1000 * 60 * 60 * 24 * i)).format('YYYY-MM-DD'),
    y: Math.round(Math.random() * 10)
  })
}

export default {
  name: 'MiniArea',
  props: {
    dataSource: {
      type: Array,
      default: () => []
    },
    // x 轴别名
    x: {
      type: String,
      default: 'x'
    },
    // y 轴别名
    y: {
      type: String,
      default: 'y'
    }
  },
  data() {
    return {
      data: [],
      height: 100
    }
  },
  computed: {
    scale() {
      return [
        { dataKey: 'x', title: this.x, alias: this.x },
        { dataKey: 'y', title: this.y, alias: this.y }
      ]
    }
  },
  created() {
    if (this.dataSource.length === 0) {
      this.data = sourceData
    } else {
      this.data = this.dataSource
    }
  }
}
</script>

<style lang="less" scoped>
    @import "chart";
</style>
